Republican candidate John Kasich serves breakfast at the Red Arrow Diner in New Hampshire on the day of the nation’s first primary there. CBSN’s Contessa Brewer has the details and video. Source

Fox News host Bill O’Reilly explains why he thinks Republican front-runner Donald Trump and self-described socialist, Sen. Bernie Sanders, are the “same person.” O’Reilly talked about 2016 and election year politics during a guest appearance on The Late Show With Stephen Colbert. Source

From power struggles to angst over body image, the teen years are filled with new challenges. Psychologist Lisa Damour, author of new book, “Untangled: Guiding Teenage Girls through the Seven Transitions into Adulthood,” joins “CBS This Morning” to discuss how to have smarter conversations with your teenage daughter on topics ranging from choosing friends to dealing with sexuality. Source

President Obama is asking Congress for nearly $2 billion to fight the Zika virus. The CDC command center is now at its highest alert level in response to the disease. Officials warn it could spread in southern states. David Begnaud reports from the French Quarter in New Orleans, Louisiana. Source

Brazil has reported more than 4,000 cases of microcephaly, a birth defect where babies develop small heads. Pediatric neurologist Dr. Vanessa van der Linden first noticed the defect in August, and helped jump-start the response. Dr. Jon LaPook spoke to Dr. van der Linden about how she connected the dots. Source

Eddie Redmayne discussed his expectations for the Oscars after his nomination for Best Actor in “The Danish Girl,” recent criticism of the lack of diversity at the Oscars and the impact of his work on the transgender community. Watch his full press conference at the 88th Annual Oscars Nominees Luncheon. Source

Rooney Mara talked about her Oscars expectations after being nominated for Best Actress in a Supporting Role for her performance in “Carol.” She addressed her evolution as an actress and the #OscarsSoWhite controversy. Watch her full press conference at the 88th Annual Oscars Nominees Luncheon. Source

Sylvester Stallone discussed his nomination as Best Actor in a Supporting Role for his performance in “Creed” as well as the recent controversy about the lack of diversity among nominees. Watch his full press conference at the 88th Annual Oscars Nominees Luncheon. Source

Rachel McAdams, nominated for Best Actress in a Supporting Role, talks about her performance in ‘Spotlight’ and plans for the Academy Awards. Watch her full press conference at the 88th Annual Oscars Nominees Luncheon. Source

Best Actress nominee Brie Larson talks to reporters about her performance in ‘Room’ and plans for the Academy Awards, including what designer she is considering wearing. Watch her press conference at the 88th Annual Oscars Nominees Luncheon. Source